CN105277312B - The calibrating installation of the power load maintainer of elastic part - Google Patents
The calibrating installation of the power load maintainer of elastic part Download PDFInfo
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- CN105277312B CN105277312B CN201410345086.1A CN201410345086A CN105277312B CN 105277312 B CN105277312 B CN 105277312B CN 201410345086 A CN201410345086 A CN 201410345086A CN 105277312 B CN105277312 B CN 105277312B
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Abstract
The present invention provides a kind of calibrating installation of the power load maintainer for the elastic part for being related to calibrating installation technical field, and the power load maintainer of elastic part includes：Driving frame；Movable block is arranged on driving frame；Shaft seat includes support base and the axle bed body being fixedly installed on support base, and support base is fixedly arranged on movable block, and axle bed body passes rotation through hole provided with through hole, rotating shaft body is rotated；Flip piece includes the active plate and follower plate being fixedly connected, and active plate is connected with rotating shaft body；The two ends of force snesor are connected with active plate and power load bar respectively, calibrating installation includes code-disc and counterweight, code-disc includes disk body and is fixed on the grafting block of disk body bottom, longitudinal spacing hole is provided with inside grafting block, when the power load maintainer of elastic part is in calibrating position, the end of power load bar is inserted in longitudinal spacing hole, and the termination of power load bar is contacted with the disk body bottom surface of code-disc, and counterweight is positioned on code-disc.The present invention is simple in construction, using reliable, reduces labor intensity.
Description
Technical field
The present invention relates to calibrating installation technical field, the calibration cartridge of the power load maintainer of more particularly to a kind of elastic part
Put.
Background technology
Electrohydraulic system is widely used in Industry Control as one of a kind of main power resources and energy transmission unit
Field.In such systems, electrohydraulic servo valve is main control unit.And be made up of electromagnetic component, elastic part and fluid
The performance of torque motor decide the control accuracy of such servo valve.Elastic part comes as force sensitive device in torque motor
Obtain feedback control signal.And the stiffness characteristics of elastic part have a major impact to the performance of electrohydraulic servo valve, this characteristic is determined
The performance indications such as the control accuracy of electrohydraulic servo valve, sensitivity.
, it is necessary to be carried out strictly to the rigidity value of the elastic part in its torque motor in the design process of electrohydraulic servo valve
Control, elastic part includes rod-type elastic part and tube-like elastic part, and elastic part is generally small-sized precise part.However,
Limited by the machining level of the high precision part of China at this stage, the manufacture to such elastic part is difficult once to reach to set
Index is counted, typically requirement will be can be only achieved by processing, measurement, the repetitive process reprocessed, measured again.In this repeated measurement
During, it is necessary to which the key device used has：Elastic part clamping device, power load maintainer, elastic part deformation measuring device
And loading force position adjusting mechanism.Above-mentioned rigidity repeated measurement process to accurate elastic part, it is necessary to carry out repeated loading survey
Study firmly, obtain its rigidity value.
In the rigidity test of such elastic part, power load maintainer is general by power load bar, force snesor, loading transmission base
Seat, loading force fine position mechanism etc. are constituted.However, such elastic part has, size is small, machining accuracy is high, multi-size etc.
Feature.These features requirement to different batches elastic part rigidity test at first, will be to active force load maintainer
In the zero point of force snesor calibrated, to obtain accurate rigidity value.
However, rigidity test personnel to force snesor when carrying out zero point correction at present, it is necessary to first by force snesor from power
Removed on load maintainer, zero point correction is then done again, after calibration is complete, force snesor power load maintainer is installed to again
On., it is necessary to dismount multiple mounting screws in above-mentioned cumbersome force snesor dismounting and installation process, and operator is to each spiral shell
The fixation power of nail is difficult to accurate control, so as to cause the change of force snesor zero point, the precision to rigidity test causes shadow
Ring.In addition, in above-mentioned disassembly process, due on force snesor for the positional precision for the screwed hole being connected with power load bar
It is limited, the power load bar end position offset of power load maintainer can be caused in installation process, the firm of elastic part can be also influenceed
Spend measuring accuracy.
With electrohydraulic control system continuing to develop in China's industrial control field, to the elastic part in electrohydraulic servo valve
Stiffness measurement precision and measurement efficiency be proposed higher requirement.
At present, to the rigidity test of this elastic part also without a kind of calibrating installation of simply and easily power load maintainer,
The requirement of tightness and convenience can be met simultaneously.
The content of the invention
The shortcoming of prior art in view of the above, present invention solves the technical problem that be to provide it is a kind of it is simple in construction,
It is firm, easy to use, it is possible to increase the stiffness measurement efficiency of elastic part and the loading of the power of the elastic part of stiffness measurement precision
The calibrating installation of mechanism.
In order to achieve the above objects and other related objects, the present invention provides a kind of calibration of the power load maintainer of elastic part
Device, the power load maintainer of elastic part includes：Driving frame, movable block, runner assembly, force snesor and power load bar；Institute
State movable block to be arranged on the driving frame, and be flexibly connected with the driving frame；The runner assembly includes：Rotating shaft
Seat, rotating shaft body and flip piece；The shaft seat includes the support base of rectangle and is fixedly installed on the top surface of the support base
Axle bed body, the support base is fixedly installed on the movable block, and the axle bed body is provided with and the rotating shaft body
Corresponding to rotate through hole, the axis of the rotation through hole and plane-parallel, the rotating shaft body passes the rotation through hole,
The rotating shaft body is rotated relative to the axle bed body；The flip piece includes the active plate and follower plate being fixedly connected, institute
It is 90 degree to state the angle between active plate and the follower plate, and the active plate is fixedly connected with the rotating shaft body；When described
When the power load maintainer of elastic part is in stiffness measurement position, the axis of the power load bar and plane-parallel are described
Follower plate is connected with the support base；The two ends of the force snesor are fixed with the active plate and the power load bar respectively to be connected
Connect, one end being connected with the force snesor in the two ends of the power load bar be fixing end, the power load bar it is another
Hold as test lead；The calibrating installation of the power load maintainer of elastic part includes code-disc and counterweight, and the code-disc includes disk body and solid
Due to the grafting block of the disk body bottom, be provided with longitudinal spacing hole inside the grafting block, the shape in the longitudinal spacing hole with
The shape of the test lead of the power load bar is corresponding；When the power load maintainer of elastic part is in calibrating position, the active
The side of the remote follower plate of plate is contacted with the top surface of the support base, and axis and the horizontal plane of the power load bar hang down
Directly, the end of the power load bar is inserted in the longitudinal spacing hole of the code-disc, the termination of the test lead of the power load bar
Contacted with the disk body bottom surface of the code-disc, the counterweight is positioned on the code-disc.
Preferably, the test lead of the power load bar includes round platform portion and the spherical part being fixedly arranged on above the round platform portion；
The longitudinal spacing hole includes disk body connection hole portion, spacing hole portion and the insertion hole portions being sequentially connected from top to bottom；It is described spacing
Hole portion and truncated cone-shaped, diameter and the bottom in the round platform portion of the power load bar of the spacing hole portion with the insertion hole portions junction
The diameter at end is identical, and the gradient of the spacing hole portion is identical with the gradient in the round platform portion of the power load bar, the disk body connection
Height and equal to the round platform portion the height of the height of hole portion and the spacing hole portion and the height of the spherical part and.
Preferably, the side of the close rotating shaft body of the follower plate is the medial surface of the follower plate；It is described from
The medial surface of dynamic plate is provided with L-type groove, and the L-type groove extends to the direction away from the active plate, the L-type groove
The face parallel with the medial surface of the follower plate is side card access surface, and the face vertical with the side card access surface of the L-type groove is
Top card access surface；When the power load maintainer of the elastic part is in stiffness measurement position, the top clamping of the L-type groove
Face is contacted with the top surface of the support base, the side card access surface of the L-type groove and one of contacts side surfaces of the support base.
Further, the side card access surface of the L-type groove is provided with least one flap through hole；When the elastic part
When power load maintainer is in stiffness measurement position, the side contacted with the side card access surface of the L-type groove of the support base is
Fastening face, the fastening face is provided with fixing hole corresponding with the flap through hole, and fastener sequentially passes through the flap through hole
With the fixing hole, the follower plate is fixedly connected with the support base.
Preferably, the quantity of the axle bed body is two；The rotating shaft body includes linkage block and drive rod, described
Motion block is arranged between two axle bed bodies, and the linkage block is inserted in described provided with linkage through hole, the drive rod
In the linkage through hole of linkage block, and it is fixedly connected with the linkage block, the two ends of the drive rod pass corresponding described respectively
The rotation through hole of axle bed body, the linkage block is fixedly connected with the active plate.
Preferably, four angles of the support base are provided with plate connecting hole；The runner assembly also includes mounting blocks, described
Mounting blocks are arranged between the movable block and the support base, and the mounting blocks are fixedly connected with the movable block, the peace
Dress block is rectangle, and four angles of the mounting blocks are provided with block connecting hole corresponding with the plate connecting hole；Fastener is worn successively
The plate connecting hole and described piece of connecting hole are crossed, the support base is fixedly connected with the mounting blocks.
Preferably, the runner assembly also includes auxiliary block, and the active plate is sensed by the auxiliary block and the power
Device is connected.
Preferably, the driving frame includes transmission base and leading screw, and the leading screw is fixedly installed on the transmission base
On, the axis of the screw rod of the leading screw and plane-parallel；The movable block is provided with corresponding with the screw rod of the leading screw
Through hole is connected, the screw rod of the leading screw passes the connection through hole of the movable block, screw rod of the movable block along the leading screw
Length direction movement.
Preferably, the power load maintainer of the elastic part also includes analog-digital converter and computer, the force snesor
It is connected by the analog-digital converter with the computer.
As described above, the calibrating installation of the power load maintainer of elastic part of the present invention, has the advantages that：
(1) active plate of flip piece of the invention is fixedly connected with rotating shaft body, the manual rotating shaft body of operating personnel,
Rotating shaft body can be made to be rotated relative to axle bed body, rotating shaft body drives flip piece and the power being fixed on flip piece loading
Mechanism is rotated, in flip piece rotation process, when axis and the plane-parallel of power load bar, the power loading machine of elastic part
Structure is in stiffness measurement position, and the follower plate of flip piece is connected with support base, you can carry out rigidity test to elastic part；When
When the side of remote follower plate of active plate is contacted with the top surface of support base, the axis of power load bar and horizontal plane, this
When elastic part power load maintainer be in calibrating position, the end of power load bar is inserted in the longitudinal spacing hole of code-disc, power
The termination of the test lead of load bar is contacted with the disk body bottom surface of the code-disc, and counterweight is positioned on code-disc, you can load machine to power
Structure is calibrated；Angle between active plate and follower plate is 90 degree, and the angle makes the extreme position in flip piece rotation process
It is corresponding in calibrating position to the power load maintainer of the elastic part power load maintainer for being in stiffness measurement position and elastic part,
Define the rotational angle of flip piece.
(2) the round platform portion of power load bar of the invention and the spherical part being fixedly arranged on above round platform portion are inserted in the longitudinal direction of code-disc
In spacing hole, the termination on the top of spherical part is contacted with the disk body bottom surface of code-disc, and counterweight is positioned on the code-disc, power load bar
Spherical part can fully sense counterweight apply power；Spacing hole portion and the diameter and the power of the insertion hole portions junction
The diameter of the bottom in the round platform portion of load bar is identical, the gradient of spacing hole portion and the gradient phase in the round platform portion of the power load bar
Together, height and equal to the round platform portion the height and the ball of the height of the disk body connection hole portion and the spacing hole portion
The sum of the height in body portion, the structure makes the bottom in the round platform portion of power load bar may be stuck in the company of spacing hole portion and the insertion hole portions
Meet place, and make after being inserted in the grafting block of code-disc of power load bar, the axis of the grafting block of code-disc with power load bar
Axis collinear, code-disc self-centering prevents the position of code-disc from offseting.
(3) medial surface of follower plate of the invention is provided with L-type groove, when the power load maintainer of the elastic part is in
During stiffness measurement position, the top card access surface of the L-type groove is contacted with the top surface of the support base, the side of the L-type groove
Card access surface and one of contacts side surfaces of the support base, support base block follower plate, prevent follower plate from continuing to move down,
Support base plays position-limiting action, while ensureing axis and the plane-parallel of power load bar.
(4) present invention only passes through flip piece drive load maintainer, you can make the power load bar of power load maintainer in calibration
Rotated between position and stiffness measurement position, force snesor from power load maintainer without disassembling, you can complete power loading
The power calibration operation of mechanism, it is to avoid numerous and diverse operating process to force snesor overall pulling down and remove what is produced in installation process
Error, thus the present invention it is simple in construction, easy to operate, using it is reliable, reduce labor intensity, it is possible to increase elastic part it is firm
Spend measurement efficiency and stiffness measurement precision.
Brief description of the drawings
Fig. 1 is shown as backsight structural representation of the power load maintainer in stiffness measurement position of the elastic part of the present invention
Figure.
Fig. 2 is shown as forward sight structural representation of the power load maintainer in stiffness measurement position of the elastic part of the present invention
Figure.
Fig. 3 is shown as structural representation of the power load maintainer in calibrating position of the elastic part of the present invention.
Fig. 4 is shown as being moved through from stiffness measurement position to calibrating position for the power load maintainer of the elastic part of the present invention
Structural representation in journey.
Fig. 5 is shown as the structural representation during power load maintainer progress stiffness measurement of the elastic part of the present invention.
Fig. 6 is shown as the side structure schematic diagram of the code-disc of the power load maintainer of the elastic part of the present invention.
Fig. 7 is shown as the polycrystalline substance schematic diagram of the code-disc of the power load maintainer of the elastic part of the present invention.
Fig. 8 is shown as the cross-sectional view of the code-disc of the power load maintainer of the elastic part of the present invention.
Fig. 9 is shown as the structural representation of the power load bar of the power load maintainer of the elastic part of the present invention.
The power load bar that Figure 10 is shown as the power load maintainer of the elastic part of the present invention is inserted in the structural representation of code-disc
Figure.
Figure 11 is shown as the structural representation of the rotating shaft body of the power load maintainer of the elastic part of the present invention.
Figure 12 is shown as the structural representation of the flip piece of the power load maintainer of the elastic part of the present invention.
Figure 13 is shown as the structural representation that the linkage block of the power load maintainer of the elastic part of the present invention is connected with flip piece
Figure.
Figure 14 is shown as the digital analog converter and force snesor and computer of the power load maintainer of the elastic part of the present invention
The structural representation of connection.
Figure 15 is shown as the force snesor of the power load maintainer of the elastic part of the present invention and the undertaking of auxiliary block junction
The structural representation in hole.
The force side that Figure 16 is shown as the force snesor of the power load maintainer of the elastic part of the present invention is logical provided with stress
The structural representation in hole.
Drawing reference numeral explanation
100 driving frames
110 transmission bases
120 leading screws
121 screw rods
130 pedestal through holes
200 movable blocks
210 connection through holes
300 runner assemblies
310 shaft seats
311 support bases
3111 fastening faces
3112 fixing holes
312 axle bed bodies
3121 rotate through hole
313 plate connecting holes
320 rotating shaft bodies
321 linkage blocks
3211 linkage through holes
322 drive rods
330 flip pieces
331 active plates
3311 seal faces
332 follower plates
3321 medial surfaces
333 L-type grooves
3331 side card access surfaces
3332 top card access surfaces
334 flap through holes
340 mounting blocks
400 force snesors
410 receiving holes
420 stress through holes
500 power load bars
510 round platform portions
520 spherical parts
530 bar side through holes
600 code-discs
610 disk bodies
620 grafting blocks
621 longitudinal spacing holes
6211 disk bodies connect hole portion
6212 spacing hole portions
6213 insertion hole portions
700 counterweights
810 analog-digital converters
820 computers
900 auxiliary blocks
910 auxiliary through hole
10 pressing plate pedestals
11 pressing plate bodies
12 rotary handles
20 clamp bases
30 elastic parts
H1 disk bodies connect the height of hole portion
The height of the spacing hole portions of H2
The height in H3 round platforms portion
The height of H4 spherical parts
Embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
Refer to accompanying drawing.It should be clear that structure, ratio, size depicted in this specification institute accompanying drawings etc., only to coordinate
Content disclosed in specification, so that those skilled in the art understands and reads, is not limited to the present invention enforceable
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
Do not influence under effect of the invention that can be generated and the purpose that can reach, all should still fall in disclosed technology contents
Obtain in the range of covering.Meanwhile, cited such as " on ", " under ", "left", "right", " centre " and " one " in this specification
Term, be merely convenient to understanding for narration, and be not used to limit enforceable scope of the invention, the change of its relativeness or
Adjustment, under without essence change technology contents, when being also considered as enforceable category of the invention.
As shown in Figure 1, Figure 2 with shown in Figure 14, the power load maintainer that Fig. 1 is shown as the elastic part of the present invention is in stiffness measurement
The backsight structural representation of position, Figure 14 is shown as the digital analog converter of the power load maintainer of the elastic part of the present invention and power is passed
Sensor and the structural representation of computer connection.The power load maintainer that Fig. 2 is shown as the elastic part of the present invention is surveyed in rigidity
Measure in the forward sight structural representation of position, the calibrating installation of the power load maintainer of the elastic part of the present embodiment, elastic part
Power load maintainer includes：Driving frame 100, movable block 200, runner assembly 300, force snesor 400, power load bar 500, modulus
Converter 810 and computer 820；
Movable block 200 is arranged on driving frame 100, and is flexibly connected with driving frame 100.
Runner assembly 300, including：Shaft seat 310, rotating shaft body 320 and flip piece 330；
As shown in figures 1 and 3, Fig. 3 is shown as knot of the power load maintainer in calibrating position of the elastic part of the present invention
Structure schematic diagram.The axle bed body that shaft seat 310 includes the support base 311 of rectangle and is fixedly installed on the top surface of support base 311
312, support base 311 is fixedly installed on movable block 200, and axle bed body 312 rotates logical provided with corresponding with rotating shaft body 320
Hole 3121, rotates axis and the plane-parallel of through hole 3121, and rotating shaft body 320 passes rotation through hole 3121, rotating shaft body
320 rotate relative to axle bed body 312.
Flip piece 330 includes the active plate 331 and follower plate 332 being fixedly connected, between active plate 331 and follower plate 332
Angle be 90 degree, active plate 331 is fixedly connected with rotating shaft body 320, in the present embodiment, and active plate 331 and follower plate 332 are equal
For rectangle, active plate 331 and follower plate 332 constitute L-type structure.
As shown in Figure 1 and Figure 5, Fig. 5 be shown as the present invention elastic part power load maintainer carry out stiffness measurement when
Structural representation.When the power load maintainer of elastic part is in stiffness measurement position, the axis of power load bar 500 and level
Face is parallel, and follower plate 332 is connected with support base 311.
As shown in figure 3, the two ends of force snesor 400 are fixedly connected with active plate 331 and power load bar 500 respectively, power adds
Carry bar 500 be provided with two ends, one end that power load bar 500 is connected with force snesor 400 be fixing end, power load bar 500 it is another
Hold as test lead, the direction of the axis of power load bar 500 is parallel with the plane residing for the top surface of active plate 331, rotate through hole
The direction of 3121 axis is vertical with the direction of the axis of power load bar 500.
As shown in Fig. 3, Fig. 6 and Fig. 7, Fig. 6 is shown as the side of the code-disc of the power load maintainer of the elastic part of the present invention
Structural representation, Fig. 7 is shown as the polycrystalline substance schematic diagram of the code-disc of the power load maintainer of the elastic part of the present invention.Elasticity zero
The calibrating installation of the power load maintainer of part includes code-disc 600 and counterweight 700, and code-disc 600 includes disk body 610 and is fixed on disk body
The grafting block 620 of 610 bottoms, the inside of grafting block 620 is provided with longitudinal spacing hole 621, and shape and the power in longitudinal spacing hole 621 are loaded
The shape of the test lead of bar 500 is corresponding.
As shown in Fig. 3, Fig. 7, Figure 10 and Figure 12, the power that Figure 10 is shown as the power load maintainer of the elastic part of the present invention adds
Carry the structural representation that bar is inserted in code-disc.When elastic part power load maintainer be in calibrating position when, active plate 331 it is remote
Side from follower plate 332 is contacted with the top surface of support base 311, and the side of the remote follower plate 332 of active plate 331 is seal face
3311, the axis of power load bar 500 and horizontal plane, the end of power load bar 500 is inserted in the longitudinal spacing of code-disc 600
In hole 621, the termination of the test lead of power load bar 500 is contacted with the bottom surface of disk body 610 of code-disc 600, and counterweight 700 is positioned over code-disc
On 600.
As shown in figure 14, force snesor 400 is connected by analog-digital converter 810 with computer 820.
In the present embodiment, elastic part includes rod-type elastic part and tube-like elastic part, and elastic part is generally small-sized
Precision component.
As shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, Fig. 4 be shown as the power load maintainer of the elastic part of the present invention from rigidity
Structural representation of the measurement position into calibrating position moving process.The active plate 331 of the flip piece 330 of the present invention and rotating shaft sheet
Body 320 is fixedly connected, the manual rotating shaft body 320 of operating personnel, you can make rotating shaft body 320 relative to axle bed body 312
Rotate, rotating shaft body 320 drives flip piece 330 and the power load maintainer being fixed on flip piece 330 to rotate, flip piece 330
In rotation process, when axis and the plane-parallel of power load bar 500, the power load maintainer of elastic part is surveyed in rigidity
Position is measured, the follower plate 332 of flip piece 330 is connected with support base 311, the position of power load bar 500 is remained stationary as, you can
Rigidity test is carried out to elastic part.
As shown in Fig. 3, Fig. 6, Fig. 7 and Figure 14, side and support base 311 when the remote follower plate 332 of active plate 331
When top surface is contacted, the axis of power load bar 500 and horizontal plane, now the power load maintainer of elastic part is in calibration bits
Put, the end of power load bar 500 is inserted in the longitudinal spacing hole 621 of code-disc 600, the termination of the test lead of power load bar 500
Contacted with the bottom surface of disk body 610 of code-disc 600, counterweight 700 is positioned on code-disc 600, you can power load maintainer is calibrated.
Power load bar 500 is born after the pressure of the application of counterweight 700, and force snesor 400 is by power load bar 500 by force signal
Send analog-digital converter 810 to, the analog signal of input is converted to data signal, analog-digital converter 810 by analog-digital converter 810
Data signal is conveyed to computer 820, computer 820 receives data signal, and computer 820 adds according to the data signal to power
Mounted mechanism is calibrated.
Angle between active plate 331 and follower plate 332 is 90 degree, and the angle makes the pole in the rotation process of flip piece 330
The power load maintainer of extreme position and elastic part is in stiffness measurement position and the power load maintainer of elastic part is in calibration bits
Put corresponding, define the rotational angle of flip piece 330.
As shown in Fig. 3, Fig. 8 to Figure 10, Fig. 8 is shown as the section of the code-disc of the power load maintainer of the elastic part of the present invention
Structural representation.Fig. 9 is shown as the structural representation of the power load bar of the power load maintainer of the elastic part of the present invention.Figure 10 shows
The power load bar for being shown as the power load maintainer of the elastic part of the present invention is inserted in the structural representation of code-disc.Power load bar 500
Test lead include round platform portion 510 and be fixedly arranged on the spherical part 520 of the top of round platform portion 510；Longitudinal spacing hole 621 includes being arrived from above
Under the disk body connection hole portion 6211, spacing hole portion 6212 and the insertion hole portions 6213 that are sequentially connected；Spacing hole portion 6212 and patchhole
The diameter of the junction of portion 6213 is identical with the diameter of the bottom in the round platform portion 510 of power load bar 500, spacing hole portion 6212 and round platform
Shape, the gradient of spacing hole portion 6212 is identical with the gradient in the round platform portion 510 of power load bar 500, and disk body connects the height of hole portion 6211
Spend H1 and spacing hole portion 6212 height H2's and the height H3 equal to round platform portion 510 and spherical part 520 height H4's and；Ball
The termination on the top in body portion 520 is contacted with the bottom surface of disk body 610 of code-disc 600.
In the present embodiment, spherical part 520 is hardened steel ball.The hardened steel ball carries out firm in power load maintainer to elastic part
Contacted during degree measurement with elastic part, loading force is implemented to elastic part.
The round platform portion 510 of the power load bar 500 of the present invention and the spherical part 520 being fixedly arranged on above round platform portion 510 are inserted in
In the longitudinal spacing hole 621 of code-disc 600, the termination on the top of spherical part 520 is contacted with the bottom surface of disk body 610 of code-disc 600, counterweight
700 are positioned on code-disc 600, and the spherical part 520 of power load bar 500 can fully sense the power that counterweight 700 applies；Spacing hole
Portion 6212 is identical with the diameter of the bottom in the round platform portion 510 of power load bar 500 with the diameter of the junction of insertion hole portions 6213, spacing
The gradient of hole portion 6212 is identical with the gradient in the round platform portion 510 of power load bar 500, the height H1 and limit of disk body connection hole portion 6211
The height of position hole portion 6212 H2's and the height H3 equal to round platform portion 510 and spherical part 520 height H4's and, the structure makes power
The bottom in the round platform portion 510 of load bar 500 may be stuck in the junction of spacing hole portion 6212 and insertion hole portions 6213, and load power
After being inserted in the grafting block 620 of code-disc 600 of bar 500, axis and the power load bar 500 of the grafting block 620 of code-disc 600
Axis is conllinear, and the self-centering of code-disc 600 prevents the position of code-disc 600 from offseting.
As shown in Fig. 1, Fig. 3 and Figure 12, Figure 12 is shown as the flip piece of the power load maintainer of the elastic part of the present invention
Structural representation.The close rotating shaft body 320 of follower plate 332 and the side relative with rotating shaft body 320 are in follower plate 332
Sideways 3321；The medial surface 3321 of follower plate 332 be provided with L-type groove 333, L-type groove 333 to away from active plate 331 side
To extension, the face parallel with the medial surface 3321 of follower plate 332 of L-type groove 333 is side card access surface 3331, L-type groove 333
The face vertical with side card access surface 3331 is top card access surface 3332；When the power load maintainer of elastic part is in stiffness measurement position
When, the top card access surface 3332 of L-type groove 333 is contacted with the top surface of support base 311, the side card access surface 3331 of L-type groove 333 with
One of contacts side surfaces of support base 311, the side contacted with the side card access surface 3331 of L-type groove 333 of support base 311 is
Fastening face 3111.
In the present embodiment, the angle between active plate 331 and follower plate 332 is exactly bottom surface and the follower plate of active plate 331
Angle between 332 medial surfaces 3321, the angle is 90 degree.
The medial surface 3321 of the follower plate 332 of the present invention is provided with L-type groove 333, when the power load maintainer of elastic part
During in stiffness measurement position, the top card access surface 3332 of L-type groove 333 is contacted with the top surface of support base 311, L-type groove 333
Side card access surface 3331 and support base 311 one of contacts side surfaces, support base 311 blocks follower plate 332, prevents follower plate
332 continue to move down, and support base 311 plays position-limiting action, while ensureing that the axis of power load bar 500 and horizontal plane are put down
OK.
The side card access surface 3331 of L-type groove 333 is provided with least one flap through hole 334；When the power of elastic part is loaded
When mechanism is in stiffness measurement position, the fastening face 3111 of support base 311 is provided with and the corresponding fixing hole of flap through hole 334
3112, fastener sequentially passes through flap through hole 334 and fixing hole 3112, and follower plate 332 is fixedly connected with support base 311.This
In embodiment, the quantity of flap through hole 334 and fixing hole 3112 is two.
Because the medial surface 3321 of follower plate 332 is provided with L-type groove 333, for the ease of follower plate 332 and support base
311 are fixedly connected, and flap through hole 334 are set in the side card access surface 3331 of L-type groove 333, in the fastening face of support base 311
Fixing hole 3112 is set on 3111, follower plate 332 is connected with support base 311 to laterally secure, the structure is easily installed, and even
Connect firm.
As shown in Fig. 2, Fig. 3, Figure 11 and Figure 13, Figure 11 is shown as the rotating shaft of the power load maintainer of the elastic part of the present invention
The structural representation of body.Figure 13 is shown as the linkage block 321 and flip piece 330 of the power load maintainer of the elastic part of the present invention
The structural representation of connection.The quantity of axle bed body 312 is two, and two axle bed bodies 312 are oppositely arranged, each axle bed body
312 provided with rotation through hole 3121；Rotating shaft body 320 includes linkage block 321 and drive rod 322, and linkage block 321 is arranged at two
Between axle bed body 312, linkage block 321 is inserted in the linkage complete of linkage block 321 provided with linkage through hole 3211, drive rod 322
In hole 3211, and it is fixedly connected with linkage block 321, the two ends of drive rod 322 pass the rotation of corresponding axle bed body 312 respectively
Through hole 3121, drive rod 322 can be rotated in through hole 3121 is rotated, and linkage block 321 is fixedly connected with the bottom surface of active plate 331.
Two axle bed bodies 312 are oppositely arranged, and linkage block 321 is arranged between two axle bed bodies 312, drive rod 322
It is inserted in the linkage through hole 3211 of linkage block 321, and is fixedly connected with linkage block 321, the structure makes turning for rotating shaft body 320
It is dynamic more steady.Linkage block 321 is fixedly connected with active plate 331, and rotating shaft body can be made by operating personnel is moved active plate 331
320 rotate, and are easy to operation.
As shown in Figure 12 and Figure 13, in the present embodiment, linkage block 321 is formed in one with flip piece 330, i.e. communications and liaison motion block
321 with flip piece 330 formed by integrated processing and manufacturing；Linkage block 321 is that one of side is semicircular arc side
Rectangular block, the angle between the linkage block 321 and active plate 331 is 90 degree, the axis of the semicircular arc side of linkage block 321
Line is parallel with the bottom surface of active plate 331 and the medial surface 3321 of follower plate 332, and linkage block 321 is with flip piece 330 by integrated
Processing and manufacturing, it is ensured that the perpendicularity between linkage block 321 and active plate 331, hanging down between active plate 331 and follower plate 332
Straight degree, improves the measurement accuracy of the present invention.
Four angles of support base 311 are provided with plate connecting hole 313；Runner assembly 300 also includes mounting blocks 340, mounting blocks
340 are arranged between movable block 200 and support base 311, and mounting blocks 340 are fixedly connected with movable block 200, and mounting blocks 340 are square
Shape, four angles of mounting blocks 340 are provided with block connecting hole (not shown) corresponding with plate connecting hole 313；Fastener is worn successively
Plate connecting hole 313 and block connecting hole are crossed, support base 311 is fixedly connected with mounting blocks 340.
Mounting blocks 340 are arranged between movable block 200 and support base 311, and mounting blocks 340 are by movable block 200 and support base
311 separate, and reduce influence of the rotation of flip piece 330 on support base 311 to movable block 200, also make movable block 200 and branch
The connection supportted between seat 311 is more firm, is easy to movable block 200 to drive support base 311 to move.
As shown in Fig. 2 and Figure 15, Figure 15 be shown as the present invention elastic part power load maintainer force snesor with it is auxiliary
The structural representation of the receiving hole of block junction is helped, runner assembly 300 also includes auxiliary block 900, and active plate 331 passes through auxiliary block
900 are connected with force snesor 400.Auxiliary block 900 provided with two auxiliary through hole 910, force snesor 400 provided with two with it is auxiliary
Help the corresponding receiving hole 410 of through hole 910, fastener sequentially passes through auxiliary through hole 910 and receiving hole 410, by force snesor 400 with
Auxiliary block 900 is fixedly connected, and is held based on one end that force snesor 400 is connected with auxiliary block 900, and force snesor 400 adds with power
The one end for carrying the connection of bar 500 is force side.
The setting of auxiliary block 900 reduces the thickness of active plate 331, and force snesor 400 passes through auxiliary block 900 and active
Plate 331 is connected, and makes structure more firm, and structure is lighter and handier.
As shown in Fig. 3, Fig. 9 and Figure 16, Figure 16 is shown as the force snesor of the power load maintainer of the elastic part of the present invention
Force side be provided with stress through hole structural representation.Power load bar 500 include rod body part and be connected with rod body part it is rectangular
Body fixed part, rod body part is step round bar structure, and cuboid fixed part is in fixing end, the fixing end of power load bar 500
Provided with bar side through hole 530, bar side through hole 530 is two, and the force side of force snesor 400 is provided with corresponding to bar side through hole 530
Stress through hole 420, fastener sequentially passes through stress through hole 420 and bar side through hole 530, by the force side of force snesor 400 with
The fixing end of power load bar 500 is fixedly connected.
As shown in Figure 1 to Figure 3, driving frame 100 includes transmission base 110 and leading screw 120, and leading screw 120 is fixedly installed on
In transmission base 110, the axis of the screw rod 121 of leading screw 120 and plane-parallel；Movable block 200 is provided with and leading screw 120
Screw rod 121 connects through hole 210 accordingly, and movable block 200 is arranged on leading screw 120, and the screw rod 121 of leading screw 120 passes movable block
200 connection through hole 210, the length direction of screw rod 121 of the movable block 200 along leading screw 120 is moved, the connection of movable block 200
Through hole 210 is provided with the corresponding internal thread of screw rod 121 with leading screw 120.
The screw rod 121 of leading screw 120 is rotated, you can drive the length direction of screw rod 121 of the movable block 200 along leading screw 120
Mobile, the movement of movable block 200 drives mounting blocks 340 and support base 311 to move in the horizontal direction.Transmission base 110 is several words
Shape, the shape makes the simple in construction of transmission base 110, and material therefor is few, and bearing capacity is strong.The bottom of transmission base 110 is set
There is pedestal through hole 130, driving frame 100 also includes the device bottom plate with mounting hole, and fastener passes through pedestal through hole 130 and peace
Hole is filled, transmission base 110 is fixedly connected with device bottom plate.
Fastener in the present embodiment is screw.
The present invention only passes through the drive load maintainer of flip piece 330, you can make the power load bar 500 of power load maintainer in school
Level is put to be rotated between stiffness measurement position, and force snesor 400 from power load maintainer without disassembling, you can completes power
The power calibration operation of load maintainer, it is to avoid numerous and diverse operating process to force snesor 400 overall pulling down and remove installation process
The error of middle generation.
The calibrating installation of the power load maintainer of the elastic part of the present invention, its application method comprises the following steps：
As shown in Figure 1, Figure 2, shown in Fig. 4, Figure 11 and Figure 13,1) installation of the power load maintainer of elastic part：Transmission base 110
It is fixedly connected with leading screw 120, movable block 200 is arranged on leading screw 120, the screw rod 121 of leading screw 120 passes the company of movable block 200
Hole 210 is connected, the length direction of screw rod 121 of the movable block 200 along leading screw 120 is moved, and peace is fixedly installed on movable block 200
Block 340 is filled, is fixedly installed on support base 311, the top surface of support base 311 on mounting blocks 340 and is fixedly installed two and relative sets
The axle bed body 312 put, linkage block 321 is between two axle bed bodies 312, and drive rod 322 is inserted in the connection of linkage block 321
In dynamic through hole 3211, and it is fixedly connected with linkage block 321, the two ends of drive rod 322 pass corresponding axle bed body 312 respectively
Through hole 3121 is rotated, drive rod 322 can be rotated in through hole 3121 is rotated, the bottom surface of linkage block 321 and active plate 331, which is fixed, to be connected
Connect, auxiliary block 900 be fixedly installed on the top surface of active plate 331, auxiliary block 900 is fixedly connected with the base end of force snesor 400,
The force side of force snesor 400 is fixedly connected with the fixing end of power load bar 500；
As shown in Fig. 2 to Fig. 5, Figure 12 and Figure 14,2) the power load maintainer of elastic part is used for rigidity test：Clamp system
It is fixedly installed in clamp base 20, clamp system includes pressing plate pedestal 10, pressing plate pedestal 10 and is provided with pressing plate body 11, rotates hand
Handle 12 is connected with pressing plate pedestal 10 and pressing plate body 11, in the insertion pressing plate of elastic part 30 body 11, rotates the control pressure of rotary handle 12
Plate body 11 clamps elastic part 30, and operating personnel rotate flip piece 330, the top card access surface 3332 and support base of L-type groove 333
311 top surface contact, after the side card access surface 3331 of L-type groove 333 is contacted with the fastening face 3111 of support base 311, support base 311
Follower plate 332 is blocked, prevents follower plate 332 from continuing to move down, now, the axis of power load bar 500 and plane-parallel,
Fastener sequentially passes through flap through hole 334 and fixing hole 3112, and follower plate 332 is fixedly connected with support base 311；Start leading screw
120, movable block 200 is driven support base 311 and the direction movement residing for power load maintainer to elastic part 30, power load bar
After 500 test lead is contacted with elastic part 30, the controling power load maintainer of computer 820 carries out rigidity survey to elastic part 30
Examination；
3) the power load maintainer of elastic part is calibrated：Power load maintainer is completed after rigidity test to elastic part 30,
The fastener for being fixedly connected with follower plate 332 and support base 311 is pulled down, operating personnel rotate flip piece 330, active plate 331
Side away from follower plate 332 is contacted with the top surface of support base 311, now, and axis and the horizontal plane of power load bar 500 hang down
Directly, the end of power load bar 500 is inserted in the longitudinal spacing hole 621 of code-disc 600, the termination of the test lead of power load bar 500
Contacted with the bottom surface of disk body 610 of code-disc 600, counterweight 700 is positioned on code-disc 600, power load bar 500 bears counterweight 700 and applied
Plus pressure after, force snesor 400 is sent power load bar 500 to analog-digital converter 810, analog-digital converter by force signal
The analog signal of input is converted to data signal by 810, and data signal is conveyed to computer 820 by analog-digital converter 810, is calculated
Machine 820 receives data signal, and whether computer 820 deviates normal model according to the zero point of the data signal judgment load maintainer
Enclose, when the zero point of power load maintainer deviates normal range (NR), computer 820 harmonizes the zero point of power load maintainer.
The present invention for elastic part rigidity test and power load maintainer calibrated, it is to avoid to force snesor
The error produced in numerous and diverse operating process of 400 overall pulling downs and dismounting installation process.The present invention it is simple in construction, easy to operate,
Using it is reliable, reduce labor intensity, improve the precision of rigidity test.
To sum up, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (9)
1. a kind of calibrating installation of the power load maintainer of elastic part, it is characterised in that
The power load maintainer of elastic part includes：Driving frame (100), movable block (200), runner assembly (300), force snesor
And power load bar (500) (400)；
The movable block (200) is arranged on the driving frame (100), and is flexibly connected with the driving frame (100)；
The runner assembly (300) includes：Shaft seat (310), rotating shaft body (320) and flip piece (330)；
The shaft seat (310) includes the support base (311) of rectangle and is fixedly installed on the top surface of the support base (311)
Axle bed body (312), the support base (311) is fixedly installed on the movable block (200), on the axle bed body (312)
Provided with rotation through hole (3121) corresponding with the rotating shaft body (320), the axis for rotating through hole (3121) and level
Face is parallel, and the rotating shaft body (320) passes the rotation through hole (3121), and the rotating shaft body (320) is relative to the axle
Seat body (312) is rotated；
The flip piece (330) includes the active plate (331) and follower plate (332) being fixedly connected, the active plate (331) and institute
It is 90 degree to state the angle between follower plate (332), and the active plate (331) is fixedly connected with the rotating shaft body (320)；
When the elastic part power load maintainer be in stiffness measurement position when, the axis of the power load bar (500) with
Plane-parallel, the follower plate (332) is connected with the support base (311)；
The two ends of the force snesor (400) are fixedly connected with the active plate (331) and the power load bar (500) respectively,
One end being connected with the force snesor (400) in the two ends of the power load bar (500) is fixing end, the power load bar
(500) the other end is test lead；
The calibrating installation of the power load maintainer of elastic part includes code-disc (600) and counterweight (700), and the code-disc (600) includes
Provided with longitudinal direction limit inside disk body (610) and the grafting block (620) for being fixed on the disk body (610) bottom, the grafting block (620)
Position hole (621), the shape of the longitudinal spacing hole (621) is corresponding to the shape of the test lead of the power load bar (500)；
When the power load maintainer of elastic part is in calibrating position, the remote follower plate (332) of the active plate (331)
Side contacted with the top surface of the support base (311), the axis of the power load bar (500) and horizontal plane are described
The end of power load bar (500) is inserted in the longitudinal spacing hole (621) of the code-disc (600), the power load bar (500)
The termination of test lead is contacted with disk body (610) bottom surface of the code-disc (600), and the counterweight (700) is positioned over the code-disc
(600) on.
2. the calibrating installation of the power load maintainer of elastic part according to claim 1, it is characterised in that：
The test lead of the power load bar (500) includes round platform portion (510) and the spheroid being fixedly arranged on above the round platform portion (510)
Portion (520)；
The longitudinal spacing hole (621) includes disk body connection hole portion (6211), the spacing hole portion being sequentially connected from top to bottom
And insertion hole portions (6213) (6212)；
The spacing hole portion (6212) is truncated cone-shaped, the spacing hole portion (6212) and the insertion hole portions (6213) junction
Diameter is identical with the diameter of the bottom in the round platform portion (510) of the power load bar (500), the gradient of the spacing hole portion (6212)
It is identical with the gradient in the round platform portion (510) of the power load bar (500), the height of disk body connection hole portion (6211) with it is described
Height and equal to the round platform portion (510) the height of spacing hole portion (6212) and the height of the spherical part (520) and.
3. the calibrating installation of the power load maintainer of elastic part according to claim 1, it is characterised in that：
The side of the close rotating shaft body (320) of the follower plate (332) is the medial surface of the follower plate (332)
(3321)；
The medial surface (3321) of the follower plate (332) is provided with L-type groove (333), and the L-type groove (333) is to away from institute
State active plate (331) direction extension, the L-type groove (333) it is parallel with the medial surface (3321) of the follower plate (332)
Face be side card access surface (3331), the face vertical with the side card access surface (3331) of the L-type groove (333) is top clamping
Face (3332)；
When the power load maintainer of the elastic part is in stiffness measurement position, the top card access surface of the L-type groove (333)
(3332) top surface with the support base (311) is contacted, side card access surface (3331) and the support of the L-type groove (333)
One of contacts side surfaces of seat (311).
4. the calibrating installation of the power load maintainer of elastic part according to claim 3, it is characterised in that：
The side card access surface (3331) of the L-type groove (333) is provided with least one flap through hole (334)；
When the elastic part power load maintainer be in stiffness measurement position when, the support base (311) it is recessed with the L-type
Groove (333) side card access surface (3331) contact side be fastening face (3111), the fastening face (3111) be provided with it is described
The corresponding fixing hole (3112) of flap through hole (334), fastener sequentially passes through the flap through hole (334) and the fixing hole
(3112), the follower plate (332) is fixedly connected with the support base (311).
5. the calibrating installation of the power load maintainer of elastic part according to claim 1, it is characterised in that：
The quantity of the axle bed body (312) is two；
The rotating shaft body (320) includes linkage block (321) and drive rod (322), and the linkage block (321) is arranged at two institutes
State between axle bed body (312), the linkage block (321) is inserted in provided with linkage through hole (3211), the drive rod (322)
In the linkage through hole (3211) of the linkage block (321), and it is fixedly connected with the linkage block (321), the drive rod (322)
Two ends pass the rotation through hole (3121) of the corresponding axle bed body (312), the linkage block (321) and the master respectively
Dynamic plate (331) is fixedly connected.
6. the calibrating installation of the power load maintainer of elastic part according to claim 1, it is characterised in that：
Four angles of the support base (311) are provided with plate connecting hole (313)；
The runner assembly (300) also include mounting blocks (340), the mounting blocks (340) be arranged at the movable block (200) and
Between the support base (311), the mounting blocks (340) are fixedly connected with the movable block (200), the mounting blocks (340)
For rectangle, four angles of the mounting blocks (340) are provided with block connecting hole corresponding with the plate connecting hole (313)；
Fastener sequentially passes through the plate connecting hole (313) and described piece of connecting hole, by the support base (311) and the installation
Block (340) is fixedly connected.
7. the calibrating installation of the power load maintainer of elastic part according to claim 1, it is characterised in that：The rotating group
Part (300) also includes auxiliary block (900), and the active plate (331) passes through the auxiliary block (900) and the force snesor
(400) connect.
8. the calibrating installation of the power load maintainer according to the elastic part described in claim 1, it is characterised in that：The driving frame
(100) transmission base (110) and leading screw (120) are included, the leading screw (120) is fixedly installed in the transmission base (110),
The axis of the screw rod (121) of the leading screw (120) and plane-parallel；The movable block (200) is provided with and the leading screw
(120) screw rod (121) connects through hole (210) accordingly, and the screw rod (121) of the leading screw (120) passes the movable block
(200) connection through hole (210), the length direction of screw rod (121) of the movable block (200) along the leading screw (120) is moved
It is dynamic.
9. the calibrating installation of the power load maintainer according to the elastic part described in claim 1, it is characterised in that：The elastic part
Power load maintainer also include analog-digital converter (810) and computer (820), the force snesor (400) passes through the modulus
Converter (810) is connected with the computer (820).
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| CN201410345086.1A CN105277312B (en) | 2014-07-18 | 2014-07-18 | The calibrating installation of the power load maintainer of elastic part |
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| CN201410345086.1A CN105277312B (en) | 2014-07-18 | 2014-07-18 | The calibrating installation of the power load maintainer of elastic part |
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| CN107860570B (en) * | 2017-10-31 | 2019-11-08 | 华中科技大学无锡研究院 | A kind of industrial robot stiffness measurement loading device and measurement method |
| CN108312179B (en) * | 2017-12-29 | 2020-08-25 | 深圳市越疆科技有限公司 | Elastic part testing method and device based on mechanical arm and mechanical arm |
| CN110954308B (en) * | 2019-11-04 | 2021-08-06 | 苏州诚骏科技股份有限公司 | Counter weight testing arrangement |
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| CN1308228A (en) * | 2001-03-22 | 2001-08-15 | 上海交通大学 | Elastic element rigidity testing instrument |
| CN201600242U (en) * | 2010-01-28 | 2010-10-06 | 洛阳轴研科技股份有限公司 | Bearing axial rigidity measurement instrument |
| CN102620934A (en) * | 2012-04-10 | 2012-08-01 | 南京理工大学 | Device and method for testing precision retention of precision rolling linear guide rail pair |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2012242314A (en) * | 2011-05-23 | 2012-12-10 | Yaskawa Electric Corp | Encoder, servo motor and servo unit |
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|---|---|---|---|---|
| CN1308228A (en) * | 2001-03-22 | 2001-08-15 | 上海交通大学 | Elastic element rigidity testing instrument |
| CN201600242U (en) * | 2010-01-28 | 2010-10-06 | 洛阳轴研科技股份有限公司 | Bearing axial rigidity measurement instrument |
| CN102620934A (en) * | 2012-04-10 | 2012-08-01 | 南京理工大学 | Device and method for testing precision retention of precision rolling linear guide rail pair |
| CN102889983A (en) * | 2012-09-28 | 2013-01-23 | 吉林大学 | Machine tool spindle reliability test bed based on mixed loading of electro-hydraulic servo and dynamometer |
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